116531860 has 48 divisors (see below), whose sum is σ = 254338560. Its totient is φ = 44795520.

The previous prime is 116531851. The next prime is 116531867. The reversal of 116531860 is 68135611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116531867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191677 + ... + 192283.

It is an arithmetic number, because the mean of its divisors is an integer number (5298720).

Almost surely, 2^116531860 is an apocalyptic number.

116531860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116531860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127169280).

116531860 is an abundant number, since it is smaller than the sum of its proper divisors (137806700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116531860 is a wasteful number, since it uses less digits than its factorization.

116531860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 116531860 is about 10794.9923575702. The cubic root of 116531860 is about 488.4441278373. Note that the first 3 decimals are identical.

The spelling of 116531860 in words is "one hundred sixteen million, five hundred thirty-one thousand, eight hundred sixty".